Sale #1

http://backpack.tf/profiles/76561198037237481/#!/compare/1452326400/1452412800 - sold with 24 pure for a Green Energy Towering Pillar of Hats (67.5)

The Black Box in sale one was also included in the deal:

http://www.tf2outpost.com/trade/27578284 ----- Brainiac buyer making a first offer of Brainiac + 30 keys.

http://www.tf2outpost.com/item/440,4490339476,228,11 ---- History of the Black Box does match.

Not using. Too low..

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Sale #2

http://backpack.tf/profiles/76561198119908840/#!/compare/1454918400/1455004800 - sold for a duped max and sweets? Unclear..

Sale #3

http://backpack.tf/profiles/76561198000657095/#!/compare/1454832000/1454918400 - sold for DP Belgian Detective (38)

The Brainiac in sale 3 couldn't sell for 37 for two months ( http://www.tf2outpost.com/trade/27157224 ). He changed his B/O to 35 keys (http://www.tf2outpost.com/trade/27734389 ) and 30 keys ( http://www.tf2outpost.com/trade/27808132 ), but this one wasn't up for very long.

capped at 30.

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seller @ 35 - http://puu.sh/nSXE9/f233627fc4.png

Going with 30.

creds to K1ing for help/proof! Let it ride..